Amphenol ICC L77DFE09SAJ3 D-Sub Receptacle Equivalent & Substitute Parts

Part Overview

The Amphenol ICC L77DFE09SAJ3 is a 9-position D-Sub receptacle connector with female sockets, designed for panel mount and through-hole applications with right-angle solder termination. This connector is classified as Active product status and is RoHS compliant. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory availability changes, or when specific performance parameters align with application needs.

Substiute Parts

L77DFE09SAJ3

Amphenol ICC (Commercial Products)In Stock: 895L77DFE09SAJ3 Datasheet

Current PartRFQ

DE09S564TLF

Amphenol ICC (FCI)In Stock: 1187DE09S564TLF Datasheet

SimilarRFQ

DE09S565MTLF

Amphenol ICC (FCI)In Stock: 865DE09S565MTLF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the L77DFE09SAJ3 are qualified based on the following critical parameters that must align for functional equivalence:

Core Compatibility Parameters:

• Connector style: D-Sub receptacle configuration
• Position count: 9 positions
• Shell size and layout: 1 (DE, E)
• Connector type: Female sockets
• Termination method: Solder
• Mounting configuration: Right angle orientation
• Voltage rating: 300V minimum
• Flammability rating: UL94 V-0
• RoHS compliance status

Allowable Variations:

• Current rating per contact (provided minimum requirements are met)
• Contact finish thickness specifications
• Backset spacing tolerances within mechanical compatibility
• Dielectric material composition (thermoplastic variants)
• Contact material composition (copper alloy or phosphor bronze)
• Operating temperature range (provided minimum -55°C is maintained)
• Packaging format (tray or bulk)

The substitute parts DE09S564TLF and DE09S565MTLF meet these core compatibility criteria while offering alternative sourcing options.

Parameter Comparison

Engineering Selection Recommendations

L77DFE09SAJ3 Primary Selection: The L77DFE09SAJ3 is the primary part specification and remains the preferred selection when available. This part is Active status with full inventory availability (812 pcs). It provides the highest current rating (7.5A) and extended operating temperature range (-55°C to 155°C), supporting applications requiring elevated thermal performance.

DE09S565MTLF Substitute: The DE09S565MTLF is the preferred substitute when L77DFE09SAJ3 availability is constrained. This part maintains tray packaging format, includes mounting brackets, and provides higher contact finish thickness (30.0µin) compared to the primary part. Operating temperature range is -55°C to 125°C. Current rating is 5A per contact. Backset spacing is 0.370" (9.40mm). This part is Active status with 768 pcs inventory.

DE09S564TLF Substitute: The DE09S564TLF is available as a secondary substitute option. This part is supplied in bulk packaging and features GXT™ contact finish with flash thickness specification. Operating temperature range is -55°C to 125°C. Current rating is 5A per contact. Backset spacing is 0.409" (10.40mm). This part is Active status with 1142 pcs inventory. Bulk packaging may require repackaging for certain supply chain requirements.

Compliance Status: All three parts maintain RoHS compliance, UL94 V-0 flammability rating, and 300V voltage rating. All parts are classified as Active product status, ensuring continued manufacturer support and availability.

Frequently Asked Questions (FAQ)

Q: Can DE09S564TLF or DE09S565MTLF be used as direct replacements for L77DFE09SAJ3?

A: Both parts are functionally compatible as substitutes based on core D-Sub receptacle parameters: 9-position configuration, shell size 1 (DE, E), female sockets, right-angle solder termination, and 300V voltage rating. However, differences exist in current rating (5A versus 7.5A), operating temperature range (125°C maximum versus 155°C), and backset spacing. Application requirements must be evaluated against these parameter differences.

Q: What is the significance of backset spacing differences?

A: Backset spacing (0.319" for L77DFE09SAJ3, 0.370" for DE09S565MTLF, and 0.409" for DE09S564TLF) defines the distance from the connector mounting surface to the contact insertion point. Differences in this parameter may affect PCB layout, cable routing, and mechanical clearance. Verify backset spacing compatibility with your specific application before substitution.

Q: How do current rating differences affect substitution?

A: The L77DFE09SAJ3 is rated at 7.5A, while both substitute parts are rated at 5A per contact. If your application requires current levels between 5A and 7.5A per contact, the substitute parts may not be suitable. Applications operating at or below 5A per contact can use either substitute part without current-related limitations.

Q: What is the difference between GXT™ contact finish and standard gold finish?

A: The substitute parts DE09S564TLF and DE09S565MTLF feature GXT™ contact finish technology. The L77DFE09SAJ3 uses standard gold plating at 20.0µin thickness. DE09S565MTLF provides 30.0µin gold thickness, while DE09S564TLF specifies flash thickness. Contact finish thickness and technology may affect contact resistance and durability characteristics. Verify compatibility with your signal integrity and reliability requirements.

Q: Does packaging format affect part selection?

A: The L77DFE09SAJ3 and DE09S565MTLF are supplied in tray packaging, while DE09S564TLF is supplied in bulk packaging. Packaging format affects inventory management, handling procedures, and supply chain logistics. Select based on your organization's packaging requirements and material handling capabilities.

Q: Are there temperature range limitations with the substitute parts?

A: The L77DFE09SAJ3 operates from -55°C to 155°C, while both substitute parts operate from -55°C to 125°C. Applications requiring operation above 125°C must use the L77DFE09SAJ3. Applications operating within the -55°C to 125°C range can use either substitute part.

Q: Do all three parts include mounting brackets?

A: The L77DFE09SAJ3 and DE09S565MTLF include mounting brackets as a standard feature. The DE09S564TLF does not list mounting brackets as a feature. Verify mounting bracket requirements for your panel mount application before selecting DE09S564TLF.

Q: Are all parts RoHS compliant?

A: Yes, all three parts (L77DFE09SAJ3, DE09S564TLF, and DE09S565MTLF) are RoHS compliant and maintain UL94 V-0 flammability rating, meeting regulatory requirements for restricted substance use and fire safety standards.